000 00306nam a2200121Ia 4500
005 20251007104435.0
008 251006s9999 xx 000 0 und d
100 _achang,c.c.
245 0 _amodel theory keisler,h.j. (jt.auth.)
260 _a1st.ed. | Amserdam North-Holland
260 _c1973
942 _cBOK
999 _c7294
_d7294